:root{--primary: #1a6b4a;--primary-dark: #124d35;--primary-light: #e8f5ee;--accent: #2196F3;--danger: #d32f2f;--warning: #f9a825;--warning-bg: #fff8e1;--error-bg: #ffebee;--success: #388e3c;--success-bg: #e8f5e9;--gray-50: #fafafa;--gray-100: #f5f5f5;--gray-200: #eeeeee;--gray-300: #e0e0e0;--gray-500: #9e9e9e;--gray-700: #616161;--gray-900: #212121;--radius: 8px;--shadow: 0 2px 8px rgba(0,0,0,.1);--shadow-lg: 0 4px 16px rgba(0,0,0,.12)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;color:var(--gray-900);background:var(--gray-50);line-height:1.6}.app{min-height:100vh;display:flex;flex-direction:column}main{flex:1}header{background:var(--primary);color:#fff;padding:1rem 2rem;box-shadow:var(--shadow)}.header-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.brand h1{font-size:1.5rem;font-weight:600}.brand h1 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p{color:var(--gray-700);font-size:.9rem;margin-bottom:.5rem}.dataset-count{font-size:.8rem;color:var(--gray-500)}.project-card-link{display:block;text-decoration:none;color:inherit}.project-card-actions{padding:0 1.25rem 1rem;display:flex;justify-content:flex-end}.btn-edit-project{font-size:.8rem;padding:.3rem .75rem;background:var(--gray-100);color:var(--gray-700);border:1px solid var(--gray-300);border-radius:var(--radius);text-decoration:none;transition:background .15s,color .15s}.btn-edit-project:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.loading,.empty-state{text-align:center;padding:3rem;color:var(--gray-500)}footer{background:var(--gray-200);text-align:center;padding:1.5rem;color:var(--gray-700);font-size:.85rem}.wizard-container{max-width:900px;margin:0 auto}.wizard-steps{display:flex;justify-content:center;gap:.5rem;margin-bottom:2rem;flex-wrap:wrap}.wizard-step{padding:.5rem 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th,.schema-table td{padding:.6rem .75rem;border:1px solid var(--gray-300);text-align:left}.schema-table th{background:var(--gray-100);font-weight:600}.schema-table input,.schema-table select{border:1px solid var(--gray-300);border-radius:4px;padding:.35rem .5rem;font-size:.85rem;width:100%}.add-row-btn{background:var(--primary-light);color:var(--primary);border:1px dashed var(--primary);padding:.5rem 1rem;border-radius:var(--radius);cursor:pointer;font-size:.85rem;margin-top:.5rem}.add-row-btn:hover{background:var(--primary);color:#fff}.remove-btn{background:none;border:none;color:var(--danger);cursor:pointer;font-size:1.1rem;padding:.25rem}.remove-btn:hover{color:#b71c1c}.chip{display:inline-block;background:var(--gray-200);padding:.25rem .75rem;border-radius:12px;font-size:.8rem;margin:.15rem}.chip.removable{cursor:pointer}.chip.removable:hover{background:var(--error-bg)}.tab-bar{display:flex;gap:0;border-bottom:2px solid var(--gray-300);margin-bottom:1.5rem}.tab-btn{padding:.75rem 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